Key matrix for a handset



FIG. 1 is a left side view of the key matrix for a handset;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a perspective front view thereof; and,

FIG. 5 is a perspective rear view thereof.

The portions of the drawings shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the key matrix for a handset, as shown. 